Estimation of conversational activation level during video chat using turn-taking information.

Authors:
Yurie Moriya;Takahiro Tanaka;Toshimitu Miyajima;Kinya Fujita
Affiliations:
Tokyo University of Agriculture and Technology, Koganei, Tokyo, Japan;Tokyo University of Agriculture and Technology, Koganei, Tokyo, Japan;Tokyo University of Agriculture and Technology, Koganei, Tokyo, Japan;Tokyo University of Agriculture and Technology, Koganei, Tokyo, Japan
Venue:
Proceedings of the 10th asia pacific conference on Computer human interaction
Year:
2012

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Abstract

In this paper, we discuss the feasibility of estimating the activation level of a conversation by using phonetic and turn-taking features. First, we recorded the voices of conversations of six three-person groups at three different activation levels. Then, we calculated the phonetic and turn-taking features, and analyzed the correlation between the features and the activity level. The analysis revealed that response latency, overlap rate, and speech rate correlate with the activation levels and they are less sensitive to individual deviation. Then, we formulated multiple regression equations, and examined the estimation accuracy using the analyzed data of the six three-person groups. The results demonstrated the feasibility to estimate activation level at approximately 18% root-mean-square error (RMSE).